#3A57CD#3A57CD

#3A57CD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.185 H 268.4°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3A57CD
RGB	rgb(58, 87, 205)
HSL	hsl(228, 60%, 52%)
HSV	hsv(228, 72%, 80%)
CMYK	cmyk(71.7%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(41.41, 29.59, -64.29)
CIE-LCH	lch(41.41, 70.77, 294.72°)
OKLab	oklab(50.61% -0.0051 -0.1854)
OKLCH	oklch(50.61% 0.185 268.4)
XYZ	xyz(16.1688, 12.1220, 59.2334)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57CD #CDB03A

analogous

#3AA1CD #3A57CD #673ACD

triadic

#3A57CD #CD3A57 #57CD3A

tetradic

#3A57CD #CD3AA1 #CDB03A #3ACD67

square

#3A57CD #CD3AA1 #CDB03A #3ACD67

split-complementary

#3A57CD #CD673A #A1CD3A

monochromatic

#1C2D70 #2941A1 #3A57CD #6B81D9 #9CAAE6

Accessibility & contrast

On white

6.13

#3A57CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3A57CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57CD

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57CD	#FFFFFF	#000000	##FFFFFF
##3A57CD	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D1

Deuteranopia (green-blind)

#005BCB

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3a57cd;
/* rgb */ color: rgb(58, 87, 205);
/* oklch */ color: oklch(50.6% 0.185 268.4);

Tailwind

colors: {
  custom: {
    50: '#8386dd',
    500: '#3a57cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a57cd;
$custom-light: #8386dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57cd",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 228.163,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50614,
    "c": 0.18545,
    "h": 268.4
  },
  "luminance": 0.12124
}

Semantic roles & 50–950 ramp

primary

#3A57CD

secondary

#D2C591

accent

#C445E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A57CD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →